let express = require('./express')

let app = express()

app.get('/', function(req, res, next) {
  console.log('start 1')
  next()
}, function(req, res, next) {
  console.log('start 11')
  next()
})

app.get('/', function(req, res, next) {
  console.log('start 2')
  res.end('end')
})

app.listen(3000, function() {
  console.log('server is listen 3000 port')
})